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Last updated: 1/26/2023

Hbs Hbs Hb HbA x Hb Hbs HbA HbA HbA Hbs HbA Hbs HbA Hbs HbA Hbs Hb sickle shaped hemoglobin Tyra and Sam discussed patterns of heredity in biology like codominance and the law of dominance In sickle cell disease individuals with the dominant allele Hb demonstr resistance to malaria Based on the information provided and what was discussed in class Tyra and Sam offered the following explanations about the traits demonstrated in th cross Tyra s Explanation Tyra says that all of the possible offspring from this cross will be resistant to malaria because they will inherit at least one dominant allele Hb for sickle cell from the parent that is homozygous dominant for the disease Based on the law of dominance if the dominant trait is present it is expressed Which student do you think provides a more accurate explanation and why Sam s Explanation because the allele inherited from the homozygous recessive parent cancels out the a Sam says that none of the possible offspring from this cross will be resistant to mala inherited from the homozygous dominant parent The offspring